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Finding the Fourth Proportional to 611,699.00, 917,043.31 and 269,899.07

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Solution

The fourth proportional to 611,699.00, 917,043.31 and 269,899.07 is: 404,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,699.00 : 917,043.31 = 269,899.07 : x
  2. Step 2: Convert to fraction form
    611,699.00/917,043.31 = 269,899.07/x
  3. Step 3: Cross multiply
    611,699.00x = 917,043.31 × 269,899.07
  4. Step 4: Simplify right side
    611,699.00x = 247,509,140,918.48
  5. Step 5: Solve for x
    x = 247,509,140,918.48/611,699.00
  6. Step 6: Final answer
    x = 404,625.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.